Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour Cent per cent conversion can be achieved in at least 5 hours A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour Cent per cent conversion can be achieved in at least 5 hours A fixed conversion of a given batch of feed takes 5 hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Ideal at very low conversion Suitable for gas phase reactions Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Ideal at very low conversion Suitable for gas phase reactions Same as plug flow reactor (PFR) Same as ideal stirred tank reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is 1 -0.5 -0.25 1 -0.5 -0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Equal in size Of such size that the ratio of their volumes is < 5 Of different sizes None of these Equal in size Of such size that the ratio of their volumes is < 5 Of different sizes None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single stirred tank (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction? 2 0.5 1 2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS